Pilot Study for Correlation of Heart Rate Variability and Dopamine Transporter Brain Imaging in Patients with Parkinsonian Syndrome. - Devdutta S. Warhadpande; Jiayan Huo; William A. Libling; Carol Stuehm; Bijan Najafi; Scott Sherman; Hong Lei; Janet Meiling Roveda; Phillip H. Kuo (Sensors, 2022)